diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 4c8a692836986c6df45527b2ea43281ce89160d5..778edf427b94db4bd2bb5ae1222da0fc7eabefae 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2856,6 +2856,8 @@ static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm)
 #if defined(CONFIG_ACPI)
 	struct amdgpu_dm_backlight_caps caps;
 
+	memset(&caps, 0, sizeof(caps));
+
 	if (dm->backlight_caps.caps_valid)
 		return;